The L2+ Industrial 4-Ports 10/100/1000T 802.3at PoE + 2-Ports 100/1000X SFP Managed Ethernet Switch (Part number: IGS-5225-4P2S) from Planet is a Power over Ethernet (PoE). PoE (Power over Ethernet) products transmit both power and data across the internal cores of an Ethernet cable technology, enabling to get power to hard-to-reach areas. Nowadays they are an integral part of homes network setup, helping to remove the need of having other power cables since PoE devices are powered by ethernet cables.
IP40 Industrial L2+/L4 4-Ports 1000T 802.3at PoE + 2-Ports 100/1000X SFP Full Managed Switch (-40 to 75 C, dual redundant power input on 48~56VDC terminal block, ERPS Ring, 1588, Modbus TCP, ONVIF, Cybersecurity features)